Question about the Format Status log page

Gerry Houlder gerry.houlder at
Tue May 21 13:21:17 PDT 2013

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The Format Status log page (in SBC-3) has a parameter called Total New
Block Reassigned. It appears that this should be calculated by:
(1) remembering the Total Blocks Reassigned During Format parameter from
the previous successful format operation and
(2) subtracting it from the Total Blocks Reassigned During Format parameter
for the current format operation.
This could result in a negative number (e.g., the current format operation
deleted the glist and none of those locations became certification
defects). These are binary format list parameters. Are binary format list
parameters allows to contain negative numbers? if so, should it be 1's
complement or 2's complement format? Or should negative numbers be reported
as zero?

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